1999 GMC sierra oil pressure guage reads erratic
Posted 18 February 2012 - 12:30 AM
Posted 18 February 2012 - 06:02 AM
But anyway - lots of the time the gauges (stepper motors), or the sender goes bad. Back in the day that was a GM trait on high mileage vehicles - the bouncy oil pressure gauge. Nowadays with all the shoddy components they use, you can't be 100% sure without testing. If your concerned with the oil pump I'd get a real gauge & hook it up to the block for a true reading - only then can you rule out the oil pump.
Posted 18 February 2012 - 07:15 AM
1990 GMC Sierra SLE C1500 5.7L/700R4,3:42's 300,000(Sold)
1999 GMC Sierra SLE K1500 5.3L/4L60E,3:73's 157,800
2000 GMC Sierra SL C2500 5.7L/4L80E,3:73's 188,600 check out youtube.com/youngerprice for exhaust vids!
1985 Chevy K5 5.7L/SM465/NP208,156,000(Sold)
Posted 18 February 2012 - 10:38 AM
18" Z71 wheels, black leather Avalanche interior, Magnaflow, Escalade cluster, Pioneer / Alpine sound, tinted tails, leveled, black bowtie, tinted windows, LS exterior conversion.
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